\ProvidesPackage{version-and-copyright}[2020/02/02 Handle Version and Copyright]

\RequirePackage{verbatim}
\RequirePackage{shellesc}
\RequirePackage{etoolbox}

\ProcessOptions\relax

\newcommand\vc@getRev{\ShellEscape{git rev-parse --short HEAD > \jobname.ver}}
\newcommand\gitrevision{\vc@getRev\input{\jobname.ver}}

\newcommand\copyrightRange[1]{\copyright~#1\ifnumgreater{\year}{#1}{--\the\year}{}}

\endinput